Abstract
News editors obtained the following quote from the background information supplied by the inventors:““This disclosure generally relates to a moving robot and, more particularly, to a moving robot that mayaccurately identify the step distance even on an irregular operating surface and improve the identificationaccuracy using pixel interpolation.“The cleaning robot has become one important product among various home appliances in a smarthome. During operation, the cleaning robot builds up a working map through identifying distances fromvarious obstacles.